CN103736328A - Air filtering apparatus of oxygenerator - Google Patents
Air filtering apparatus of oxygenerator Download PDFInfo
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- CN103736328A CN103736328A CN201310683161.0A CN201310683161A CN103736328A CN 103736328 A CN103736328 A CN 103736328A CN 201310683161 A CN201310683161 A CN 201310683161A CN 103736328 A CN103736328 A CN 103736328A
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Abstract
A disclosed air filtering apparatus of an oxygenerator comprises a first-level filter (1) and is characterized in that the air filtering apparatus also comprises a second-level filter (2), and the air outlet of the first-level filter (1) and the air inlet of the second-level filter (2) are in threaded connection; the second-level filter (2) is inside provided with a breathable water-absorbing dust-separation layer (3), multiple filter screens (4) and a gas transmission pipe (5); the breathable water-absorbing dust-separation layer (3) is connected with the air inlet of the second-level filter (2) and the air inlet of the gas transmission pipe (5); the filter screens (4) are disposed at the rear of the breathable water-absorbing dust-separation layer (3) and are arranged at an included angle of 10-80 DEG with the vertical direction; and the periphery of the filter screens (4) is connected with the inner wall of the second-level filter (2). The provided air filtering apparatus of the oxygenerator is simple in structure, reasonable in design, good in air filtering effect, good in water absorbing effect, not easy to deform and suitable for wide popularization application.
Description
Technical field
The air filter that the present invention relates to a kind of oxygenerator, belongs to medical instruments field.
Background technology
The principle of industrial oxygenerating machine is to utilize air separation technology, first air is made it to carry out at a certain temperature gas-liquid disengaging with the difference of the condensation point of each composition in high density compressed recycling air, more further rectifying and obtaining; Domestic oxygen erator operation principle is to utilize molecular sieve physical absorption and desorption technique.Filling molecular sieve in oxygenerator, can be by nitrogen adsorption in air when pressurization, and remaining unabsorbed oxygen is collected, and becomes highly purified oxygen after purified treatment.At present, small domestic oxygenator has become health product very salable, selects a good oxygenerator, can help us scientifically to carry out oxygen health care.But, current small domestic oxygenator exists air pre-treating method (being filter method) too simple, the importance of filter is not had to correct understanding, but the quality of filter effect directly affects the service life of compressor and molecular sieve, because airborne granule foreign enters the cylinder of compressor, can lose cup leather, affect the air-tightness of cylinder, thereby reduce oxygen generation efficiency; In addition, in air, contain moisture content, if do not add measure, do not allow it enter the service life that molecular sieve tower cylinder can have a strong impact on molecular sieve; Also have, some simple oxygenerator air intake filters on the market at present, because there is deformation because of gas pressure change in the thin meeting of structure, particularly the scarf on upper end Quan He chassis forms gap, cause airborne impurity through filter course, not enter in compressor and adsorbing tower with molecular sieve, thereby affect the service life of compressor and molecular sieve and disturb oxygen purity; Finally, current Domestic oxygen erator material for core is exactly the sponge of selecting general density, poor to air plankton filter effect, poorer to the filtration result of moisture content.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of air filtration effective, and soaking effect is good, the air filter of on-deformable oxygenerator.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
An air filter for oxygenerator, comprising: grade one filter, is characterized in that: also comprise secondary filter, the gas outlet of described grade one filter and the air inlet of secondary filter are threaded connection.
In described secondary filter, be provided with ventilative water suction dust separating layer, some screen packs and appendix, described ventilative water suction dust separating layer connects the air inlet of described secondary filter and the air inlet of described appendix, the size of described ventilative water suction dust separating layer is identical with the area of described secondary filter cross section, and the junction of described ventilative water suction dust separating layer and described appendix is provided with air tight film; Described screen pack is multilayer chip screen pack, described screen pack is positioned at after described ventilative water suction dust separating layer and all and is 10 ~ 80 ° of settings with vertical direction, on described screen pack, be provided with for the first through hole through described appendix, the periphery of described screen pack is connected with the inwall of described secondary filter; On the face relative with the air inlet of described secondary filter, be provided with the second through hole for the gas outlet through described appendix.
The material of described screen pack is glass fibre, and the number of plies of described screen pack is 3 ~ 7 layers, and the number of described screen pack is 2 ~ 10.
The slot size of described screen pack is 3000 ~ 6000 orders.
The material of described ventilative water suction dust separating layer is wool felt, and the thickness of described ventilative water suction dust separating layer is 2 ~ 6mm.
Described appendix is positioned on the wall of described secondary filter inside and is provided with some air admission holes, and described air admission hole is evenly arranged, and the number of described air admission hole is at least 25, and the diameter of described air admission hole is 1 ~ 2mm.
The diameter of the air inlet of described secondary filter is greater than the diameter of described appendix.
The gas outlet of described grade one filter is provided with external screw thread, and the air inlet of described secondary filter is provided with the internal thread matching with described external screw thread.
In described grade one filter, be filled with the ventilative water suction dust-separation material for preliminary water suction dust-separation.
Described ventilative water suction dust-separation material is sponge.
Described grade one filter and/or secondary filter be shaped as cylinder or cuboid or square or oval main body.
The air filter of a kind of oxygenerator provided by the invention, be provided with secondary filter, air tentatively dewaters after removal of impurities through grade one filter, enter secondary filter, wool felt secondary water suction dust-separation in secondary filter, wool felt good absorbing effect, intensity is large, and can filtration fraction the impurity such as dust; After entering the abundant dust removal by filtration of screen pack, the air filtering through wool felt enters appendix, guaranteed by the degree of purity of the air of appendix, the mesh size of screen pack is little, be 3000 ~ 6000 orders, can hold back the impurity particles such as dust that diameter is greater than 2.5 ~ 4.5 μ m, and screen pack is multilayer setting, has more strengthened the filter effect of screen pack and can hold back the particle that diameter is less than 2.5 ~ 4.5 μ m after overlapping layer by layer; Guaranteed to avoid PM2.5 to be sucked into patient lung and because dust purification effect is good, guaranteed the service life of compressor and molecular sieve; In addition, this kind of structural design of the introducing of secondary filter and secondary filter, has prevented that filter is because use and gas shock for a long time makes filter core distortion, causes the impurity in gas to enter compressor possibility; Finally, the gas outlet of appendix is through the design of secondary filter, and the gas outlet of being convenient to appendix is connected with intake muffler, has guaranteed the convenience of using.The air filter of a kind of oxygenerator provided by the invention, simple in structure, reasonable in design, air filtration is effective, and soaking effect is good, not yielding, is applicable to wide popularization and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1-2, a kind of air filter of oxygenerator, comprising: grade one filter 1, is characterized in that: also comprise secondary filter 2, the air inlet of the gas outlet of described grade one filter 1 and secondary filter 2 is threaded connection.
In described secondary filter 2, be provided with ventilative water suction dust separating layer 3, some screen packs 4 and appendix 5, described ventilative water suction dust separating layer 3 connects the air inlet of described secondary filter 2 and the air inlet of described appendix 5, the size of described ventilative water suction dust separating layer 3 is identical with the area of described secondary filter 2 cross sections, and described ventilative water suction dust separating layer 3 is provided with air tight film with the junction of described appendix 5; Described screen pack 4 is multilayer chip screen pack, described screen pack 4 is positioned at described ventilative water suction dust separating layer 3 below and is all 30 ° of settings with vertical direction, on described screen pack 4, be provided with for the first through hole through described appendix 5, the periphery of described screen pack 4 is connected with the inwall of described secondary filter 2; On the face relative with the air inlet of described secondary filter 2, be provided with the second through hole for the gas outlet through described appendix 5.
The material of described screen pack 4 is glass fibre, and the number of plies of described screen pack 4 is 3 layers, and the number of described screen pack 4 is 5.
The material of described ventilative water suction dust separating layer 3 is wool felt, and the thickness of described ventilative water suction dust separating layer 3 is 3mm.
Described appendix 5 is positioned on the wall of described secondary filter 2 inside and is provided with some air admission holes 6, and described air admission hole 6 is evenly arranged, and the number of described air admission hole 6 is at least 25, and the diameter of described air admission hole 6 is 1.5mm.
The diameter of the air inlet of described secondary filter 2 is greater than the diameter of described appendix 5.
The gas outlet of described grade one filter 1 is provided with external screw thread, and the air inlet of described secondary filter 2 is provided with the internal thread matching with described external screw thread.
In described grade one filter 1, be filled with the ventilative water suction dust-separation material for preliminary water suction dust-separation.
Described ventilative water suction dust-separation material is sponge.
Described grade one filter 1 and/or secondary filter 2 be shaped as cylinder.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. an air filter for oxygenerator, comprising: grade one filter (1), is characterized in that: also comprise secondary filter (2), the air inlet of the gas outlet of described grade one filter (1) and secondary filter (2) is threaded connection.
2. the air filter of a kind of oxygenerator according to claim 1, it is characterized in that: in described secondary filter (2), be provided with ventilative water suction dust separating layer (3), some screen packs (4) and appendix (5), described ventilative water suction dust separating layer (3) connects the air inlet of described secondary filter (2) and the air inlet of described appendix (5), the size of described ventilative water suction dust separating layer (3) is identical with the area of described secondary filter (2) cross section, described ventilative water suction dust separating layer (3) is provided with air tight film with the junction of described appendix (5), described screen pack (4) is multilayer chip screen pack, described screen pack (4) is positioned at described ventilative water suction dust separating layer (3) below and is all 10 ~ 80 ° of settings with vertical direction, on described screen pack (4), be provided with for the first through hole through described appendix (5), the periphery of described screen pack (4) is connected with the inwall of described secondary filter (2), on the face relative with the air inlet of described secondary filter (2), be provided with the second through hole for the gas outlet through described appendix (5).
3. the air filter of a kind of oxygenerator according to claim 2, is characterized in that: the material of described screen pack (4) is glass fibre, and the number of plies of described screen pack (4) is 3 ~ 7 layers, and the number of described screen pack (4) is 2 ~ 10.
4. the air filter of a kind of oxygenerator according to claim 2, is characterized in that: the material of described ventilative water suction dust separating layer (3) is wool felt, and the thickness of described ventilative water suction dust separating layer (3) is 2 ~ 6mm.
5. the air filter of a kind of oxygenerator according to claim 2, it is characterized in that: described appendix (5) is positioned on the inner wall of described secondary filter (2) and is provided with some air admission holes (6), described air admission hole (6) is evenly arranged, the number of described air admission hole (6) is at least 25, and the diameter of described air admission hole (6) is 1 ~ 2mm.
6. the air filter of a kind of oxygenerator according to claim 2, is characterized in that: the diameter of the air inlet of described secondary filter (2) is greater than the diameter of described appendix (5).
7. the air filter of a kind of oxygenerator according to claim 1, is characterized in that: the gas outlet of described grade one filter (1) is provided with external screw thread, and the air inlet of described secondary filter (2) is provided with the internal thread matching with described external screw thread.
8. the air filter of a kind of oxygenerator according to claim 1, is characterized in that: in described grade one filter (1), be filled with the ventilative water suction dust-separation material for preliminary water suction dust-separation.
9. the air filter of a kind of oxygenerator according to claim 1, is characterized in that: described ventilative water suction dust-separation material is sponge.
10. the air filter of a kind of oxygenerator according to claim 1, is characterized in that: described grade one filter (1) and/or secondary filter (2) be shaped as cylinder or cuboid or square or oval main body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310683161.0A CN103736328B (en) | 2013-12-13 | 2013-12-13 | A kind of air filter of oxygenerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310683161.0A CN103736328B (en) | 2013-12-13 | 2013-12-13 | A kind of air filter of oxygenerator |
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| CN103736328A true CN103736328A (en) | 2014-04-23 |
| CN103736328B CN103736328B (en) | 2015-11-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333529A (en) * | 2015-11-27 | 2016-02-17 | 苏州兴亚净化工程有限公司 | Air purifying and filtering device with feedback function |
| CN107098316A (en) * | 2017-06-27 | 2017-08-29 | 合肥康居人智能科技有限公司 | A kind of oxygenerator gas circuit efficient operation system |
| CN109482014A (en) * | 2019-01-07 | 2019-03-19 | 江苏鱼跃医疗设备股份有限公司 | A kind of filter for installation and the nitrogen oxygen segregation apparatus using it |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203694780U (en) * | 2013-12-13 | 2014-07-09 | 科迈（常州）电子有限公司 | Air filtering device of oxygen generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317945A (en) * | 1997-05-21 | 1998-12-02 | Sumitomo Electric Ind Ltd | Exhaust gas cleaning device |
| GR1005756B (en) * | 2006-09-20 | 2007-12-20 | (������� 30%) ��������� | Gas treatment device. |
| CN201006383Y (en) * | 2006-10-12 | 2008-01-16 | 杨裕能 | Oxygen filter |
| CN101332394B (en) * | 2007-06-25 | 2012-03-21 | 慈佑医学科技股份有限公司 | Filter jar group construct of oxygen generator |
| CN201823407U (en) * | 2010-09-29 | 2011-05-11 | 倪宗荣 | Physical multistage filtering purifier |
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2013
- 2013-12-13 CN CN201310683161.0A patent/CN103736328B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203694780U (en) * | 2013-12-13 | 2014-07-09 | 科迈（常州）电子有限公司 | Air filtering device of oxygen generator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333529A (en) * | 2015-11-27 | 2016-02-17 | 苏州兴亚净化工程有限公司 | Air purifying and filtering device with feedback function |
| CN107098316A (en) * | 2017-06-27 | 2017-08-29 | 合肥康居人智能科技有限公司 | A kind of oxygenerator gas circuit efficient operation system |
| CN109482014A (en) * | 2019-01-07 | 2019-03-19 | 江苏鱼跃医疗设备股份有限公司 | A kind of filter for installation and the nitrogen oxygen segregation apparatus using it |
| CN109482014B (en) * | 2019-01-07 | 2024-01-09 | 江苏鱼跃医疗设备股份有限公司 | Filter device and nitrogen-oxygen separation device using same |
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| CN103736328B (en) | 2015-11-04 |
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